290299 has 4 divisors (see below), whose sum is σ = 295120. Its totient is φ = 285480.

The previous prime is 290249. The next prime is 290317. The reversal of 290299 is 992092.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 290299 - 2¹⁷ = 159227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290299.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290299.

It is not an unprimeable number, because it can be changed into a prime (290209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (73780).

2²⁹⁰²⁹⁹ is an apocalyptic number.

290299 is a deficient number, since it is larger than the sum of its proper divisors (4821).

290299 is an equidigital number, since it uses as much as digits as its factorization.

290299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 290299 is about 538.7940237234. The cubic root of 290299 is about 66.2138000882.

The spelling of 290299 in words is "two hundred ninety thousand, two hundred ninety-nine".